Biostratigraphy of Lower Sarmord Formation in Kirkuk well no-109. Nouthern Iraq.


The study includes biostratigraphy of the Lower Sarmord Formation in well Kirkuk-No-109. North of Iraq, two biozones had been distinguished as follow:1-Choffatella decipiens SCHLUMBRGER Zone.2-Orbitolina discoidea GARS Zone. The age of Formation in this study is determanid as Lower Cretaceous (Hauterivian-early Aptian).